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diff --git a/ospf6d/ospf6_flood.h b/ospf6d/ospf6_flood.h
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+/*
+ * Copyright (C) 2003 Yasuhiro Ohara
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef OSPF6_FLOOD_H
+#define OSPF6_FLOOD_H
+
+/* Debug option */
+extern unsigned char conf_debug_ospf6_flooding;
+#define OSPF6_DEBUG_FLOODING_ON() (conf_debug_ospf6_flooding = 1)
+#define OSPF6_DEBUG_FLOODING_OFF() (conf_debug_ospf6_flooding = 0)
+#define IS_OSPF6_DEBUG_FLOODING (conf_debug_ospf6_flooding)
+
+/* Function Prototypes */
+extern struct ospf6_lsdb *ospf6_get_scoped_lsdb(struct ospf6_lsa *lsa);
+extern struct ospf6_lsdb *ospf6_get_scoped_lsdb_self(struct ospf6_lsa *lsa);
+
+/* origination & purging */
+extern void ospf6_lsa_originate(struct ospf6 *ospf6, struct ospf6_lsa *lsa);
+extern void ospf6_lsa_originate_process(struct ospf6_lsa *lsa,
+ struct ospf6 *process);
+extern void ospf6_lsa_originate_area(struct ospf6_lsa *lsa,
+ struct ospf6_area *oa);
+extern void ospf6_lsa_originate_interface(struct ospf6_lsa *lsa,
+ struct ospf6_interface *oi);
+void ospf6_external_lsa_purge(struct ospf6 *ospf6, struct ospf6_lsa *lsa);
+extern void ospf6_lsa_purge(struct ospf6_lsa *lsa);
+
+extern void ospf6_lsa_purge_multi_ls_id(struct ospf6_area *oa,
+ struct ospf6_lsa *lsa);
+
+/* access method to retrans_count */
+extern void ospf6_increment_retrans_count(struct ospf6_lsa *lsa);
+extern void ospf6_decrement_retrans_count(struct ospf6_lsa *lsa);
+
+/* flooding & clear flooding */
+extern void ospf6_flood_clear(struct ospf6_lsa *lsa);
+extern void ospf6_flood(struct ospf6_neighbor *from, struct ospf6_lsa *lsa);
+extern void ospf6_flood_area(struct ospf6_neighbor *from, struct ospf6_lsa *lsa,
+ struct ospf6_area *oa);
+
+/* receive & install */
+extern void ospf6_receive_lsa(struct ospf6_neighbor *from,
+ struct ospf6_lsa_header *header);
+extern void ospf6_install_lsa(struct ospf6_lsa *lsa);
+
+extern int config_write_ospf6_debug_flood(struct vty *vty);
+extern void install_element_ospf6_debug_flood(void);
+extern void ospf6_flood_interface(struct ospf6_neighbor *from,
+ struct ospf6_lsa *lsa,
+ struct ospf6_interface *oi);
+extern int ospf6_lsupdate_send_neighbor_now(struct ospf6_neighbor *on,
+ struct ospf6_lsa *lsa);
+
+extern void ospf6_flood_clear_area(struct ospf6_lsa *lsa,
+ struct ospf6_area *oa);
+#endif /* OSPF6_FLOOD_H */